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Kamran Ohi P E
4.8(
177
)
Engineer - Structural

Serving Dulles, VA and surrounding areas

Approved

In business since 1978

Emergency services offered

Small jobs welcome

"Kamran dd a fantastic job. He reached out to me quickly and had his associate come by to look at the walls I was removing. I received an estimate for the work. Kamran worked extra long on the project to help me utilize the beams that I had pre purchased. I would recommend anyone who need a professional engineer recommendation to use OHI engineering"
2 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Structurist Consulting Engineers
Structurist Consulting Engineers
4.7(
22
)
Engineer - Structural

Serving Dulles, VA and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"I would highly recommend working with Structurist Consulting. They were responsive, readily available, gave more time than anticipated on a complicated structural examination and most importantly, really nice."
Stair and foundations
Deck Plan
Segmented Retaining wall with Geogrids
Custom Build home
Response time4 hrs
4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Willoughby Design, LLC
Willoughby Design, LLC
5.0(
14
)
Architect

Serving Dulles, VA and surrounding areas

Approved

In business since 2013

Free estimates

Offers commercial services

"We have been working with Todd Willoughby since early in 2018. We had purchased a piece of land along the Chesapeake Bay and wanted to build a small but thoughtfully designed contemporary garden cottage for our retirement. After speaking with a number of architects we chose Todd and we have been very happy with that decision. Over several months, we worked have closely with him through the several design phases, culminating in a very complete set of construction documents, that we are now using for bidding. Throughout the process, we have found Todd to be personable, smart, perceptive and creative. He has been able to translate our ideas into working drawings that one of the contractors noted was called the most detailed he has ever seen. Todd has captured our vision for an environmentally friendly house with solar and rainwater harvesting. We have met with him many times talk through the many details, choices, and constraints you inevitably face. He has done all the coordination needed with the other specialties the engineers, surveyor, and solar energy firm. Having enjoyed this first part of the collaboration, we are hiring Todd to help us through the bid evaluations and construction admin phases. The best recommendation would be our actual house, but until we get there we can say Todd has done an excellent and professional job getting us this far, and we look forward to working with him through to a completed project."
Eagle's Nest
Eagle's Nest
Eagle's Nest
Eagle's Nest
Eagle's Nest

+12

Response time2 days
7 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for William Siegel
William Siegel
5.0(
2
)
Engineer - Structural

Serving Dulles, VA and surrounding areas

Approved

Free estimates

Small jobs welcome

Offers commercial services

I am a licensed Professional Engineer providing structural engineering services for residential and small commercial projects. I work with homeowners, contractors, and design professionals to help move projects through the permit process by providing structural calculations, drawings, evaluations, and engineering letters as needed.\n\nIn-person structural inspections are available in Maryland, DC, and Northern Virginia. Remote structural consulting is available in Delaware and North Carolina.\n\nTypical projects include load-bearing wall removal, beam and header sizing, additions, decks, foundation concerns, and framing evaluations. My goal is to provide practical, code-compliant structural solutions that are clear, efficient, and tailored to the project.

Load Path Section
Framing Plan
Framing Plan
Details
Foundation Plan

+3

13 neighbors recently requested a quote
Avatar for Evolution Drafting
Evolution Drafting
3.6(
117
)
ArchitectDraftsperson/CADDArchitect - For Business

Serving Dulles, VA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"I am having a full master bath and kitchen remodel done with new layouts in both rooms and knocking out a wall. Evolution worked with me to quickly get a drawing done of the new layouts so that the contractor could get started on the project. They made sure to include me in the process so that the design would be done exactly as my wife and I envisioned. They communicated effectively throughout the process and were always courteous and professional. I recommend them to anyone with drafting needs."
Zeal Floor Plan
Charcoal
Palm Floor Plan
Charcoal Floor 2
Charcoal Floor 1

+23

Response time1 day
Response rate100%
56 neighbors recently requested a quote
Avatar for Precedence Engineering Consulting
Precedence Engineering Consulting
5.0(
4
)
Architect

Serving Dulles, VA and surrounding areas

Approved

In business since 2010

Free estimates

Small jobs welcome

"Precedence Engineering Consulting (PEC) went above and beyond to help me with my projects. Mr. Wisam Rabeea, in particular, has done a fantastic job in drafting my projects plans and has managed implementations of the projects. He also recommended an exceptionally capable, prompt, honest and fair contractor who is now doing the work. I highly recommend hiring PEC for planning and implementations of your constructions and home improvement projects."
Daycare
New Dental Office
Response time4 hrs
Recommended by75%of homeowners
Avatar for Citadel Development, LLC
Citadel Development, LLC
New to Angi
ArchitectArchitect - For Business

Serving Dulles, VA and surrounding areas

Approved

In business since 2012

Free estimates

Small jobs welcome

Citadel, offers a full range of Architectural, Engineering and Construction services that foster innovative structures that are both functional and aesthetically pleasing. Through our unique innovative process, we help to develop intimate and functional structures. Whether it is design, engineering, or construction , Citadel aims to give its clients the best service available. \n

Magic Ground LLC
Magic Ground LLC
Magic Ground LLC
Magic Ground LLC
Magic Ground LLC

+45

Response time2 days
Avatar for Global Engineering LLC
Global Engineering LLC
New to Angi
Architect

Serving Dulles, VA and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

Providing architectural and engineering services for residential and commercial land development projects in Virginia, Maryland and DC. We provide the most cost-effective design solutions at lighting speed. We engage in your project from initiation to give you the most bang for your bucks. Proactive is our work style with track record of delivering projects ahead of schedule. Our culture is trying to get things right the first time with our expertise, using state-of-the-art technologies, and our utmost determination to serve your best interests. We can be your one-stop shop providing you complete design and permitting package.

Street View
Front View
Front Left View
Courtyard Left View
Courtyard Rear View

+7

Response time1 day
4 neighbors recently requested a quote
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Structural Engineering questions, answered by experts

Signs of structural damage include foundation cracks, roof leaks, bouncy floors, crumbling concrete, and cracked or leaning chimneys. Structural damage can make itself apparent in various ways, and sometimes, there may not be obvious signs. Inspect your foundation and roof annually to stay ahead of potentially serious structural problems. 

Building codes for spiral staircases will vary by your location. Most local codes will specify minimum tread width, riser height, handrail requirements, and headroom. These standards help ensure safety and accessibility for all users. Always check local codes before you begin the installation to ensure compliance and avoid costly modifications or fines.

You need to hire a structural engineer when building or modifying any component with a structural load in your home. Common situations where you would need a structural engineer include home inspections when buying or selling a home, investigating possible issues with your foundation, beams, load-bearing walls, or chimneys, breaking ground on a new home or structure on your property, and renovating an old part of your home that could threaten any structural integrity. Home additions and bump-outs also require an engineer.

Stone, marble, and brick are common building materials of Neoclassical architecture, though you will also find wood flooring and a range of natural stone tiles. Since several home styles fall under Neoclassical architects' umbrella, a range of building materials—including traditional wood framing—will make an appearance.

It's safe to assume that all exterior walls are load-bearing, or at least have load-bearing characteristics. Some older homes feature porches or bump-outs that don't rest on the home's foundation. However, they still must carry the weight of the roof section they support. Walls containing floor-to-ceiling glass or other non-structural elements must use post and beam configurations to meet load-bearing criteria.

The Dulles, VA homeowners’ guide to structural engineering services

From average costs to expert advice, get all the answers you need to get your job done.